I have a 2006 f250 and located the White/Blue and the Orange wire under dash. I added extension wire to each, started truck, applied E brake, and touched two wires together to test and didn't get any results. There were two wires near E brake that seemed to resemble Orange wire, I tried both with no results. Any help would be appreciated

Do you have factory Upfitter Switches ? If so ... locate the BCP wire ( Battery Charge Protect ) Purple wire with light green tracer/stripe located in a bundle near top of parking brake assy. Connect to Aux 3 or 4 switch. Aux 3 is a Orange wire yellow tracer/stripe and Aux 4 is a Orange wire light blue tracer/stripe. The Aux 3 & 4 wires will be in a small bundle near top of fuse panel ... all Orange with different color tracer/stripes. If using the High Idle Mod for PTO applications ... locate the SEIC wire ( Stationary Elevated Idle Control ) solid Orange wire in same bundle as Purple wire and connect to Aux switch instead of Purple wire. The main difference is the SEIC circuit will lock the torque converter and the BCP circuit won't. The color wires you were referring to are for a 2005 application and will not work. Hope this helps.

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